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lkmc_many_files: create package to test a rootfs with many files
Automatically pick up packages from under packages/ into BR2_EXTERNAL. Move many subdirectory READMEs into the toplevel and link to toplevel from those subreadmes instead.
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@@ -1,10 +1 @@
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= gem5
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We Build gem5 as a Buildroot package for the following reasons:
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* if we build in tree without Buildroot, we still want to build the `m5` tool through Buildroot. But then Buildroot rsyncs the build for all archs into `output/build`, which takes quite some disk space. There seems to be no way to exclude some packages from the sync.
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* it allows us to reuse Buildroot's:
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** configuration system, which reduces duplication: set the gem5 package option, everything just gets built
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** timestamping system, which could save a few seconds on rebuilds, since we then don't ever run `scons` when gem5 is not modified
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What is preventing upstreaming to Buildroot: a minimal kernel config like the ones QEMU has.
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https://github.com/cirosantilli/linux-kernel-module-cheat#gem5-directory
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